Mortality of patients with atrial fibrillation before and after introduction of DC counter shock therapy.
D001145:Arrhythmias, Cardiac / Q000401:mortality* / Q000628:therapy; D004554:Electric Countershock; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial